From: Tina 

FIREPROOFING CLOTH 
Into 3 pints water mix 

  a.. 1 cup ammonium chloride (available from drugstore or chemical suppy house) 
  b.. 1/2 cup ammonium phosphate (available from a garden supply store) 
Soak cloth well and let dry. 
This preparation can be used for clothing, tents, awnings and other textiles. 

FIREPROOFING WOOD 

(Important Note: Preparation will not make it impossible for wood to burn, just hard for the wood to catch fire.) 

Into 2 quarts water, mix 

  a.. 1/2 cup zinc chloride (available from feed and grain dealer) 
  b.. 1/4 cup ferric chloride (available from chemical supply house) 
  c.. 3 tablespoons boric acid (available from drugstore) and 
  d.. 3 tablespoons ammonium phosphate (available from garden supply store) 
Spray or brush on 2 or 3 coats. 

This preparation can be used in buildings, for outdoor furniture, camping equipment,etc. 

FIREPROOFING CHRISTMAS TREES 

Into 1 gallon water mix 

  a.. 1 cup ammonium sulphate (available from garden supply store) 
  b.. 1/2 cup boric acid (available from drugstore) and 
  c.. 2 tablespoons borax (available from grocery or hardware store) 
Mix well. Pour into a spray bottle. Spritz on tree and pour the remainder into the tree stand instead of in water. 

KEEPING CHIMNEY FLUE FREE OF SOOT 

Mix 1 cup salt with 1 cup zinc oxide powder (available at ceramic shop or drugstore) and sprinkle on hot fire. This will help keep the chimney flue clean.